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ModelRailroadForums.com is a free Model Railroad Discussion Forum and photo gallery. We cover all scales and sizes of model railroads. Online since 2002, it's one of the oldest and largest model railroad forums on the web. Whether you're a master model railroader or just getting started, you'll find something of interest here.
In doing my own homework on grades, I've come accross a lot of posts from people trying to figure out how to calculate them. I've made so many calculations myself I finally just created an Excel spreedsheet to do the math for me.
If anyone wants to use it you can upload it here: Grade...